EP0691791A3 - Méthode et appareil pour superposer des graphiques générés de façon numérique sur un signal vidéo analogique - Google Patents

Méthode et appareil pour superposer des graphiques générés de façon numérique sur un signal vidéo analogique Download PDF

Info

Publication number
EP0691791A3
EP0691791A3 EP95303331A EP95303331A EP0691791A3 EP 0691791 A3 EP0691791 A3 EP 0691791A3 EP 95303331 A EP95303331 A EP 95303331A EP 95303331 A EP95303331 A EP 95303331A EP 0691791 A3 EP0691791 A3 EP 0691791A3
Authority
EP
European Patent Office
Prior art keywords
analog video
digital
source signal
color subcarrier
video source
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP95303331A
Other languages
German (de)
English (en)
Other versions
EP0691791A2 (fr
EP0691791B1 (fr
Inventor
David E Zeidler
Robert M Simons
Qiang Zhu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Arris Technology Inc
Original Assignee
Arris Technology Inc
General Instrument Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Arris Technology Inc, General Instrument Corp filed Critical Arris Technology Inc
Publication of EP0691791A2 publication Critical patent/EP0691791A2/fr
Publication of EP0691791A3 publication Critical patent/EP0691791A3/fr
Application granted granted Critical
Publication of EP0691791B1 publication Critical patent/EP0691791B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/74—Circuits for processing colour signals for obtaining special effects
    • H04N9/76—Circuits for processing colour signals for obtaining special effects for mixing of colour signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
    • H04N5/44504—Circuit details of the additional information generator, e.g. details of the character or graphics signal generator, overlay mixing circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/641—Multi-purpose receivers, e.g. for auxiliary information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/44—Colour synchronisation
    • H04N9/45—Generation or recovery of colour sub-carriers
EP95303331A 1994-07-06 1995-05-18 Méthode et appareil pour superposer des graphiques générés de façon numérique sur un signal vidéo analogique Expired - Lifetime EP0691791B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/271,026 US5541666A (en) 1994-07-06 1994-07-06 Method and apparatus for overlaying digitally generated graphics over an analog video signal
US271026 1994-07-06

Publications (3)

Publication Number Publication Date
EP0691791A2 EP0691791A2 (fr) 1996-01-10
EP0691791A3 true EP0691791A3 (fr) 1996-04-24
EP0691791B1 EP0691791B1 (fr) 2000-03-01

Family

ID=23033874

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95303331A Expired - Lifetime EP0691791B1 (fr) 1994-07-06 1995-05-18 Méthode et appareil pour superposer des graphiques générés de façon numérique sur un signal vidéo analogique

Country Status (7)

Country Link
US (2) US5541666A (fr)
EP (1) EP0691791B1 (fr)
AT (1) ATE190181T1 (fr)
DE (1) DE69515218T2 (fr)
ES (1) ES2147263T3 (fr)
FI (1) FI953335A (fr)
HK (1) HK1014110A1 (fr)

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US20020091850A1 (en) 1992-10-23 2002-07-11 Cybex Corporation System and method for remote monitoring and operation of personal computers
DE4422615A1 (de) * 1994-06-28 1996-01-04 Philips Patentverwaltung Bildwiedergabeanordnung
US5541666A (en) * 1994-07-06 1996-07-30 General Instrument Method and apparatus for overlaying digitally generated graphics over an analog video signal
KR960024874A (ko) * 1994-12-30 1996-07-20 김광호 마이컴을 이용한 디스플레이 장치의 암호 설정 장치 및 암호 설정 방법
KR100413611B1 (ko) * 1995-04-21 2004-05-20 소니 가부시끼 가이샤 영상신호의위상동기방법,회로및합성장치
US5710573A (en) * 1995-05-04 1998-01-20 Winbond Electronics Corp. Scaled video output overlaid onto a computer graphics output
US5815212A (en) * 1995-06-21 1998-09-29 Sony Corporation Video overlay circuit for synchronizing and combining analog and digital signals
US6014176A (en) * 1995-06-21 2000-01-11 Sony Corporation Automatic phase control apparatus for phase locking the chroma burst of analog and digital video data using a numerically controlled oscillator
US5721842A (en) 1995-08-25 1998-02-24 Apex Pc Solutions, Inc. Interconnection system for viewing and controlling remotely connected computers with on-screen video overlay for controlling of the interconnection switch
JPH1011009A (ja) * 1996-04-23 1998-01-16 Hitachi Ltd 映像信号の処理装置及びこれを用いた表示装置
JP2954043B2 (ja) * 1996-11-15 1999-09-27 日本電気アイシーマイコンシステム株式会社 Ｏｓｄ装置
JP3500883B2 (ja) * 1996-12-12 2004-02-23 松下電器産業株式会社 カラー方式判別回路
JP3742167B2 (ja) * 1996-12-18 2006-02-01 株式会社東芝 画像表示制御装置
US6702789B1 (en) 1997-03-11 2004-03-09 Alcove Medical, Inc. Catheter having insertion control mechanism and anti-bunching mechanism
US6304895B1 (en) 1997-08-22 2001-10-16 Apex Inc. Method and system for intelligently controlling a remotely located computer
DE19743002A1 (de) * 1997-09-29 1999-04-08 Siemens Ag Umschaltvorrichtung für analoge und digitale Signale
ATE354824T1 (de) 1998-09-22 2007-03-15 Avocent Huntsville Corp System zum fernzugriff auf personalcomputer
US6378014B1 (en) 1999-08-25 2002-04-23 Apex Inc. Terminal emulator for interfacing between a communications port and a KVM switch
US7116377B2 (en) * 1999-09-27 2006-10-03 General Instrument Corporation Graphics subsystem bypass method and apparatus
DE19983982T1 (de) * 1999-09-27 2002-12-05 Gen Instrument Corp Verfahren und Vorrichtung zur Umgehung eines grafischen Subsystems
US6507370B1 (en) 2000-03-20 2003-01-14 International Business Machines Corporation Highly adjustable video composite sync separator and variable gain pixel clock frequency locking apparatus and method
DE60122993T2 (de) * 2000-10-19 2007-10-18 Sanyo Electric Co., Ltd., Moriguchi Bilddatenausgabevorrichtung und Empfangsvorrichtung
US7071996B2 (en) * 2002-07-19 2006-07-04 Sun Microsystems, Inc. Synchronizing video formats with dissimilar timing
WO2005029851A1 (fr) * 2003-09-19 2005-03-31 Matsushita Electric Industrial Co., Ltd. Circuit d'insertion d'affichage osd
JP2007509059A (ja) * 2003-10-16 2007-04-12 カイロン コーポレイション 癌の処置のためのＲａｆキナーゼのインヒビターとしての、２，６−二置換キナゾリン、キノキサリン、キノリンおよびイソキノリン
US7564923B2 (en) * 2005-10-27 2009-07-21 Cypress Semiconductor Corporation Frequency offset and method of offsetting
US8427489B2 (en) 2006-08-10 2013-04-23 Avocent Huntsville Corporation Rack interface pod with intelligent platform control
US8009173B2 (en) 2006-08-10 2011-08-30 Avocent Huntsville Corporation Rack interface pod with intelligent platform control
US20080062312A1 (en) * 2006-09-13 2008-03-13 Jiliang Song Methods and Devices of Using a 26 MHz Clock to Encode Videos
US20080062311A1 (en) * 2006-09-13 2008-03-13 Jiliang Song Methods and Devices to Use Two Different Clocks in a Television Digital Encoder
GB2444743A (en) * 2006-12-11 2008-06-18 Digitati Ltd Computer implemented virtual shopping store
US8102470B2 (en) * 2008-02-22 2012-01-24 Cisco Technology, Inc. Video synchronization system
US9152139B2 (en) * 2009-06-16 2015-10-06 Control4 Corporation Automation Control of Electronic Devices

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4639765A (en) * 1985-02-28 1987-01-27 Texas Instruments Incorporated Synchronization system for overlay of an internal video signal upon an external video signal
EP0369471A2 (fr) * 1988-11-18 1990-05-23 Rohm Co., Ltd. Système de superposition
EP0406698A2 (fr) * 1989-07-03 1991-01-09 Thomson Consumer Electronics, Inc. Méthode et dispositif de correction d'erreur de synchronisation pour un affichage à images multiples
JPH04368078A (ja) * 1991-06-14 1992-12-21 Kyocera Corp 文字挿入装置
EP0558120A2 (fr) * 1992-02-25 1993-09-01 Koninklijke Philips Electronics N.V. Système d'enregistrement et de reproduction de signaux d'image dans lesquels des signaux de caractère peuvent être inserés

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US4498098A (en) * 1982-06-02 1985-02-05 Digital Equipment Corporation Apparatus for combining a video signal with graphics and text from a computer
US4531154A (en) * 1982-10-29 1985-07-23 At&T Bell Laboratories Interface for a video display processor arranged to provide an overlay on a video display
US4580165A (en) * 1984-04-12 1986-04-01 General Electric Company Graphic video overlay system providing stable computer graphics overlayed with video image
JPS61147677A (ja) * 1984-12-21 1986-07-05 Mitsumi Electric Co Ltd ス−パ−インポ−ズ装置
US4631588A (en) * 1985-02-11 1986-12-23 Ncr Corporation Apparatus and its method for the simultaneous presentation of computer generated graphics and television video signals
JP2829958B2 (ja) * 1988-01-27 1998-12-02 ソニー株式会社 タイトル画像挿入装置
US5065143A (en) * 1988-09-26 1991-11-12 Apple Computer, Inc. Apparatus for converting an RGB signal into a composite video signal and its use in providing computer generated video overlays
KR910006465B1 (ko) * 1988-12-31 1991-08-26 삼성전자 주식회사 영상신호와 보색관계를 가지는 문자를 영상신호에 삽입하는 문자 합성장치
CA1318972C (fr) * 1989-09-25 1993-06-08 Alain Tessier Circuit de super position video
US5185603A (en) * 1990-07-13 1993-02-09 Medin David L Apparatus for synchronizing computer and video images to be simultaneously displayed on a monitor and method for performing same
US5541666A (en) * 1994-07-06 1996-07-30 General Instrument Method and apparatus for overlaying digitally generated graphics over an analog video signal

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4639765A (en) * 1985-02-28 1987-01-27 Texas Instruments Incorporated Synchronization system for overlay of an internal video signal upon an external video signal
EP0369471A2 (fr) * 1988-11-18 1990-05-23 Rohm Co., Ltd. Système de superposition
EP0406698A2 (fr) * 1989-07-03 1991-01-09 Thomson Consumer Electronics, Inc. Méthode et dispositif de correction d'erreur de synchronisation pour un affichage à images multiples
JPH04368078A (ja) * 1991-06-14 1992-12-21 Kyocera Corp 文字挿入装置
EP0558120A2 (fr) * 1992-02-25 1993-09-01 Koninklijke Philips Electronics N.V. Système d'enregistrement et de reproduction de signaux d'image dans lesquels des signaux de caractère peuvent être inserés

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 17, no. 241 (E - 1364) 14 May 1993 (1993-05-14) *

Also Published As

Publication number Publication date
DE69515218D1 (de) 2000-04-06
HK1014110A1 (en) 1999-09-17
ATE190181T1 (de) 2000-03-15
DE69515218T2 (de) 2000-07-06
US5541666A (en) 1996-07-30
EP0691791A2 (fr) 1996-01-10
EP0691791B1 (fr) 2000-03-01
FI953335A (fi) 1996-01-07
FI953335A0 (fi) 1995-07-06
ES2147263T3 (es) 2000-09-01
US5801789A (en) 1998-09-01

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